5208402185 has 8 divisors (see below), whose sum is σ = 7142951616. Its totient is φ = 3571475760.

The previous prime is 5208402127. The next prime is 5208402193. The reversal of 5208402185 is 5812048025.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5208402185 - 2¹⁰ = 5208401161 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 148811491 = 5208402185 / (5 + 2 + 0 + 8 + 4 + 0 + 2 + 1 + 8 + 5).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74405711 + ... + 74405780.

It is an arithmetic number, because the mean of its divisors is an integer number (892868952).

Almost surely, 2^5208402185 is an apocalyptic number.

It is an amenable number.

5208402185 is a deficient number, since it is larger than the sum of its proper divisors (1934549431).

5208402185 is a wasteful number, since it uses less digits than its factorization.

5208402185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148811503.

The product of its (nonzero) digits is 25600, while the sum is 35.

The square root of 5208402185 is about 72169.2606654662. The cubic root of 5208402185 is about 1733.4108240956.

The spelling of 5208402185 in words is "five billion, two hundred eight million, four hundred two thousand, one hundred eighty-five".